<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="开始时间" prop="deployTime">
        <el-date-picker
          clearable
          size="small"
          v-model="queryParams.deployTime"
          type="date"
          value-format="yyyy-MM-dd"
          placeholder="选择时间"
        >
        </el-date-picker>
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:deployment:remove']"
          >删除</el-button
        >
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="finishedList"
      border
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column
        label="任务编号"
        align="center"
        prop="taskId"
        :show-overflow-tooltip="true"
      />
      <el-table-column
        label="流程名称"
        align="center"
        prop="procDefName"
        :show-overflow-tooltip="true"
      />
      <el-table-column label="任务节点" align="center" prop="taskName" />
      <el-table-column label="流程发起人" align="center">
        <template slot-scope="scope">
          <label
            >{{ scope.row.startUserName }}
            <el-tag type="info" size="mini">{{
              scope.row.startDeptName
            }}</el-tag></label
          >
        </template>
      </el-table-column>
      <el-table-column
        label="接收时间"
        align="center"
        prop="createTime"
        width="180"
      />
      <el-table-column
        label="审批时间"
        align="center"
        prop="finishTime"
        width="180"
      />
      <el-table-column
        label="耗时"
        align="center"
        prop="duration"
        width="180"
      />
      <el-table-column
        label="操作"
        width="180"
        fixed="right"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-tickets"
            @click="handleFlowRecord(scope.row)"
            >流转记录</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-refresh-left"
            @click="handleRevoke(scope.row)"
            >撤回
          </el-button>
          <el-button
            @click="handleCode(scope.row)"
            type="text"
            size="small"
            icon="el-icon-picture-outline"
            >生成二维码</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />
    <el-dialog
      title="二维码"
      :visible.sync="isShowCode"
      v-if="isShowCode"
      width="400px"
      center
      :before-close="
        () => {
          isShowCode = false;
        }
      "
    >
      <!-- 定义一个展示二维码的div -->
      <div
        style="
          display: flex;
          flex-flow: column;
          padding: 20px;
          align-items: center;
          justify-content: center;
        "
        ref="qrCode"
      >
        <div id="qrCode" ref="qrCodeDiv"></div>
        <div style="margin-top: 20px">流程名称:{{ row.procDefName }}</div>
      </div>
      <div
        style="
          margin-top: 10px;
          text-align: center;
          color: #1890ff;
          cursor: pointer;
        "
        @click="handleDownCode"
      >
        下载二维码
      </div>
    </el-dialog>
  </div>
</template>

<script>
import QRCode from "qrcodejs2";
import domToImage from "dom-to-image";
import {
  finishedList,
  getDeployment,
  delDeployment,
  addDeployment,
  updateDeployment,
  exportDeployment,
  revokeProcess,
} from "@/api/flowable/finished";
export default {
  name: "Deploy",
  components: {},
  data() {
    return {
      // 遮罩层
      loading: true,
      row: {},
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 已办任务列表数据
      finishedList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否显示二维码
      isShowCode: false,
      src: "",
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        category: null,
        key: null,
        tenantId: null,
        deployTime: null,
        derivedFrom: null,
        derivedFromRoot: null,
        parentDeploymentId: null,
        engineVersion: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {},
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询流程定义列表 */
    getList() {
      this.loading = true;
      finishedList(this.queryParams).then((response) => {
        this.finishedList = response.data.records;
        this.total = response.data.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        name: null,
        category: null,
        key: null,
        tenantId: null,
        deployTime: null,
        derivedFrom: null,
        derivedFromRoot: null,
        parentDeploymentId: null,
        engineVersion: null,
      };
      this.resetForm("form");
    },
    setIcon(val) {
      if (val) {
        return "el-icon-check";
      } else {
        return "el-icon-time";
      }
    },
    setColor(val) {
      if (val) {
        return "#2bc418";
      } else {
        return "#b3bdbb";
      }
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加流程定义";
    },
    /** 流程流转记录 */
    handleFlowRecord(row) {
      this.$router.push({
        path: "/flowable/task/finished/detail/index",
        query: {
          procInsId: row.procInsId,
          deployId: row.deployId,
          taskId: row.taskId,
        },
      });
    },
    /** 撤回任务 */
    handleRevoke(row) {
      this.$confirm(`确定撤回任务编号为"${row.taskId}"的流程吗?`, {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(function () {})
        .then(() => {
          const params = {
            instanceId: row.procInsId,
          };
          revokeProcess(params).then((res) => {
            this.$modal.msgSuccess("撤回成功");
            this.getList();
          });
        });
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      getDeployment(id).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "修改流程定义";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.id != null) {
            updateDeployment(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addDeployment(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm(
        '是否确认删除流程定义编号为"' + ids + '"的数据项?',
        "警告",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      )
        .then(function () {
          return delDeployment(ids);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        });
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm("是否确认导出所有流程定义数据项?", "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(function () {
          return exportDeployment(queryParams);
        })
        .then((response) => {
          this.download(response.msg);
        });
    },
    //弹出二维码弹框
    handleCode(row) {
      this.isShowCode = true;
      this.row = row;
      setTimeout(() => {
        new QRCode(this.$refs.qrCodeDiv, {
          text: `${window.location.origin}/flowable/step?id=${row.taskId}`, //二维码链接，参数是否添加看需求
          width: 200, //二维码宽度
          height: 200, //二维码高度
          colorDark: "#333333", //二维码颜色
          colorLight: "#ffffff", //二维码背景色
          correctLevel: QRCode.CorrectLevel.L, //容错率，L/M/H
        });
      }, 200);
    },
    //下载二维码
    handleDownCode() {
      domToImage.toBlob(this.$refs.qrCode).then((blob) => {
        const url = window.URL.createObjectURL(blob);
        const a = document.createElement("a");
        a.href = url;
        a.download = this.row.procDefName + ".jpg";
        a.click();
        window.URL.revokeObjectURL(url);
      });
    },
  },
};
</script>
